Description

C.I. Solvent Red 118 is a high-performance, oil-soluble red dye belonging to the solvent dye class, identified by CAS NO 73297-17-3. It is valued for its excellent solubility in non-polar media, providing vibrant and stable coloration. This product is essential for manufacturers requiring durable and consistent red hues in plastics, synthetic fibers, and various industrial applications.

Application

• Primary coloring agent for thermoplastics such as polystyrene (PS), polycarbonate (PC), and ABS.
• Dyeing of synthetic fibers and olefin-based textiles.
• Coloration of hydrocarbon-based fuels, lubricants, and waxes.
• Manufacturing of printing inks, especially for specialty and security applications.
• Pigmentation for wood stains, varnishes, and lacquers.
• Coloring agent in the production of candles and other paraffin-based products.
• Used in biological staining for microscopy in specific industrial research contexts.

Basic Information

Product Name	C.I. Solvent Red 118
CAS No.	73297-17-3
Molecular Formula	C₂₄H₂₀N₄O
Molecular Weight	380.44 g/mol
Synonyms	Solvent Red 118; Ceres Red G; Oil Red G; Aizen Sot Red 4; Macrolex Red G; Sudan Red 118; 1-[[4-(Phenylazo)phenyl]azo]-2-naphthol; 1-[(E)-[4-[(E)-Phenyldiazenyl]phenyl]diazenyl]naphthalen-2-ol
EINECS	Contact for details

Quality Control

Our C.I. Solvent Red 118 is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure consistent color strength, purity, and performance properties. Certificates of Analysis (COA) detailing key parameters such as purity, hue, and solubility are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	Red powder or granules
Identification (IR)	Conforms to standard
Color Strength	100 ± 3% (vs. Standard)
Purity (HPLC)	≥ 98.0%
Moisture Content	≤ 1.0%
Ash Content	≤ 0.5%
Solubility (in Toluene)	Complete, clear solution

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.